يعرض 81 - 100 نتائج من 5,971 نتيجة بحث عن '(( 50 n decrease ) OR ((( 50 ng decrease ) OR ( 50 mg decrease ))))', وقت الاستعلام: 0.49s تنقيح النتائج
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    Changes in lowland paddy soil fertility in the Philippines after 50 years of the Green Revolution حسب Atsushi Nakao (12396)

    منشور في 2021
    "…Paddy soils in the Philippines had relatively high exchangeable calcium (Ca) and magnesium (Mg) content, cation exchange capacity (CEC), available silicon (Si) content, and total carbon (C) and nitrogen (N) content, reflecting their indigenous pedological background. …"
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